Blood goes around and helps everything works. Digestive stuff gives some nutrients from food to blood.
The correct answer is C. Boys and Girls Club of America
EXPALNATION When adjusting the ammount of oxygen the fooodwill be preserverd longer, this happens when you cutt an apple it starts to turn brown.
Answer:
i mean im 17 but i know about this stuff... ive read up on it
Explanation:
Answer:
the body is made up of cells and organs, once pathogen affect one organ, the body is at risk
Explanation:
Disease is as a result when body cells are damaged as a result of infection depending on the particular pathogen and individual susceptibility.